*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : XM9100000
CHEMICAL NAME           : Thiophene, 2,5-dihydro-, 1,1-dioxide
CAS REGISTRY NUMBER     : 77-79-2
BEILSTEIN REFERENCE NO. : 0107004
REFERENCE               : 5-17-01-00177 (Beilstein Handbook Reference)
LAST UPDATED            : 199710
DATA ITEMS CITED        : 10
MOLECULAR FORMULA       : C4-H6-O2-S
MOLECULAR WEIGHT        : 118.16
WISWESSER LINE NOTATION : T5SW CUTJ
COMPOUND DESCRIPTOR     : Tumorigen
                          Drug
                          Mutagen
SYNONYMS/TRADE NAMES :
   * Butadiene sulfone
   * 2,5-Dihydrothiophene dioxide
   * 2,5-Dihydrothiophene 1,1-dioxide
   * 2,5-Dihydrothiophene sulfone
   * NCI-C04557
   * beta-Sulfolene
   * 3-Sulfolene
   * Sulfol-3-ene
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 2830 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   TXAPA9 Toxicology and Applied Pharmacology.  (Academic Press, Inc., 1 E.
   First St., Duluth, MN 55802) V.1-    1959-  Volume(issue)/page/year:
   28,313,1974
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 3200 mg/kg
TOXIC EFFECTS :
   Behavioral - somnolence (general depressed activity)
   Behavioral - convulsions or effect on seizure threshold
   Gastrointestinal - changes in structure or function of salivary glands
REFERENCE :
   NTIS** National Technical Information Service.  (Springfield, VA 22161)
   Formerly U.S. Clearinghouse for Scientific & Technical Information.
   Volume(issue)/page/year: OTS0534337
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 1600 mg/kg
TOXIC EFFECTS :
   Behavioral - somnolence (general depressed activity)
   Behavioral - convulsions or effect on seizure threshold
   Gastrointestinal - changes in structure or function of esophagus
REFERENCE :
   NTIS** National Technical Information Service.  (Springfield, VA 22161)
   Formerly U.S. Clearinghouse for Scientific & Technical Information.
   Volume(issue)/page/year: OTS0534337
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 1700 mg/kg
TOXIC EFFECTS :
   Biochemical - Metabolism (Intermediary) - effect on inflammation or
   mediation of inflammation
REFERENCE :
   PCJOAU Pharmaceutical Chemistry Journal (English Translation).  Translation
   of KHFZAN. (Plenum Pub. Corp., 233 Spring St., New York, NY 10013)  No.1-
   1967-  Volume(issue)/page/year: 12,1568,1978
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Administration onto the skin
SPECIES OBSERVED        : Rodent - rabbit
DOSE/DURATION           : >5 gm/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   TXAPA9 Toxicology and Applied Pharmacology.  (Academic Press, Inc., 1 E.
   First St., Duluth, MN 55802) V.1-    1959-  Volume(issue)/page/year:
   28,313,1974

                          *** STATUS IN U.S. ***
 
   EPA GENETOX PROGRAM 1988, Negative: Carcinogenicity-mouse/rat
   
   EPA TSCA Section 8(b) CHEMICAL INVENTORY
   
   EPA TSCA Section 8(d) unpublished health/safety studies
   
   EPA TSCA TEST SUBMISSION (TSCATS) DATA BASE, JUNE 1998
   
   NCI Carcinogenesis Bioassay (gavage);no evidence:mouse,rat
   NCITR* National Cancer Institute Carcinogenesis Technical Report Series.
   (Bethesda, MD)  No.0-205. For publisher information, see NTPTR*.
   Volume(issue)/page/year: NCI-TR-102,78

 
                            *** END OF RECORD ***